Chalcogen, Conductor, Rare earth, Residual resistivity

• Ca-La-Mn-O
• Ba-Cu-O-Y
• La-Mn-O-Sr
• Ba-La-Mn-O
• Ba-Cu-O-Pr-Y
• rare earth
• conductor
• chalcogen
• transitional
• oxide
• orthorhombic
• tetragonal
• trigonal
• cubic
• monoclinic